package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@Slf4j
@RestController
@Api(tags = "菜品相关接口")
@RequestMapping("/admin/dish")
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    //清理Redis缓存数据
    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);//增删改 清理缓存
    }

    /**
     * 新增菜品
     * */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品：{}",dishDTO);
        dishService.saveWithFlavor(dishDTO);

        String key = "dish_" + dishDTO.getCategoryId();
        cleanCache(key);
        return Result.success();
    }

    /**
     * 菜品分页查询
     * */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询：{}",dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 批量删除菜品
     * */
    @DeleteMapping
    @ApiOperation("批量删除菜品")
    public Result delete(@RequestParam List<Long>ids){//@RequestParam 将指定的请求参数赋值给方法中的形参(有三个属性，可以设置 默认值 ）
        log.info("批量删除菜品:{}",ids);
        dishService.deleteBatch(ids);

        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 修改菜品
     * */
    @GetMapping("/{id}")
    @ApiOperation("回显")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("回显:{}",id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品:{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);

        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     *根据分类id查询菜品
     * */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result selectByCategoryId(String categoryId){
        log.info("根据分类id查询菜品:{}",categoryId);
        List<Dish> dishes = dishService.selectByCategoryId(categoryId);
        return Result.success(dishes);
    }

    /**
     * 根据名称查询菜品
     * */
  /*  @GetMapping("list")
    @ApiOperation("根据名称查询菜品")
    public Result selectByName( String name){
        log.info("根据名称查询菜品,{}",name);
        List<Dish> list = dishService.selectByName(name);
        return Result.success(list);
    }*/
}
